From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BD4FC001B0 for ; Sat, 22 Jul 2023 23:38:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229654AbjGVXib (ORCPT ); Sat, 22 Jul 2023 19:38:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229477AbjGVXi2 (ORCPT ); Sat, 22 Jul 2023 19:38:28 -0400 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8043A10D7 for ; Sat, 22 Jul 2023 16:38:27 -0700 (PDT) Received: by mail-oo1-f70.google.com with SMTP id 006d021491bc7-55e16833517so5570932eaf.1 for ; Sat, 22 Jul 2023 16:38:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690069107; x=1690673907; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=SLAUayscsbXaLxBLcuW5V/f0/x5xwSZdUmU/hmWIJ5g=; b=QPPie4MnbplyOet8qnJJrhmQH1xm3zXDKj8pJoFgk11ckTOzlEboOjJZuW5PvDTKAW 2k6MViR2gMeZ4UXR1H+X1NwsbHo3iyQkZaZN6rHESDkGUdE5edVQjarJCGJzrKjam5hD wfDj1utD9rVGDLFcrkNSp3cckyRIIBalIvwfwkLuyZVgG7fTc5D0MJXSNnU5sLuZ8+T5 pxyN4MfK2LBGBTJxnCXAdOhYOwfycLFMLddJOkNxMIDieXgwl8BPJAtx1tHQ4l3W/pWX DZxPPSCCAbATGzaK/dEc6+jyDwwwPBjginfFRjMmjNRoFzbpF+kqijMnvxbv0TDqCmA5 Aoow== X-Gm-Message-State: ABy/qLYHgITQTQ+LsMQJkNuQnHlS5ski1JPqko0RLUvifj+FBDqBbgcl SRfQp1reZ8J91qwxY3vN5J/uCHTU5oJEI+HfVNVKA37Y9ziK X-Google-Smtp-Source: APBJJlHZG9MQoOcShfLp2ak0B8MvY6lzBUeuOSi0hpp2HypfqltiJZro8mlN7v+lzMnQgs7mhW+5DWQ5rap2MxnjFlea5ZqXTT7O MIME-Version: 1.0 X-Received: by 2002:a05:6808:1413:b0:3a3:8c81:a86f with SMTP id w19-20020a056808141300b003a38c81a86fmr11701666oiv.7.1690069106913; Sat, 22 Jul 2023 16:38:26 -0700 (PDT) Date: Sat, 22 Jul 2023 16:38:26 -0700 In-Reply-To: <20230722231824.905-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c3758e06011be0d4@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in drain_vmap_area_work From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2688 jiffies s: 3401 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: fdf0eaf1 Linux 6.5-rc2 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=173f89baa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=77b9a3cf8f44c6da dashboard link: https://syzkaller.appspot.com/bug?extid=fc9127d4bfa8ef129f7d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=12e2986ea80000